Structural Engineering
Across MetroWest Boston
Third Rock Engineering is based in Hopkinton, Massachusetts, and serves homeowners, contractors, and commercial clients within a roughly 30-minute drive across MetroWest Boston and the Blackstone Valley.
You receive direct access to a senior licensed Professional Engineer on every project, regardless of which town you’re in.
Towns We Serve
Ashland, MA
Bellingham, MA
Berlin, MA
Bolton, MA
Boston, MA
Boxborough, MA
Boylston, MA
Clinton, MA
Framingham, MA
Franklin, MA
Grafton, MA
Holliston, MA
Hopedale, MA
Hopkinton, MA
Hudson, MA
Marlborough, MA
Medfield, MA
Medway, MA
Milford, MA
Millis, MA
Natick, MA
Needham, MA
Newton, MA
Norfolk, MA
Northborough, MA
Northbridge, MA
Plainville, MA
Sherborn, MA
Shrewsbury, MA
Southborough, MA
Stow, MA
Sudbury, MA
Upton, MA
Uxbridge, MA
Wellesley, MA
Westborough, MA
Weston, MA
Wrentham, MA
About
Meet Andrew Hruby, P.E.
Andrew J. Hruby, P.E., founded Third Rock Engineering after 20+ years of field and design experience across residential, industrial, and security projects in Massachusetts. He is a licensed Professional Engineer in the Commonwealth of Massachusetts, a member of the American Society of Civil Engineers, and carries professional liability (Errors & Omissions) insurance. When you work with Third Rock, you work directly with Andrew from site visit through permitting, which means faster answers, practical solutions, and no surprises mid-project.
Outside the Standard Service Area?
Emergency consultations and short-notice visits may extend beyond our standard service area. Call (617) 507-9776 to discuss your project and location.
What Clients Say
Real projects. Real outcomes.
From sagging 1920s floors to six-figure platform redesigns that came in at half the estimate.